Our Approach · Origins · Mesoamerica

Yucatán, Guatemala, Belize and Chiapas · Middle Formative to today

The Maya

Four books survived the fire. The count, the hands and the people survived it too.

Maya medicine reads the state of the whole person before it names the damage. Healers work with hot and cold qualities, with winds carried in the blood and with the pulse at the wrist. The 260 day count says when to act. Bonesetters, sobadoras and daykeepers practice today. Their communities run from Yucatán to the Guatemalan highlands. What they assess is a regulated bodily state read without instruments. The Unified Model of Tone names that state tone.

Mayaart
forthcoming

Period

Middle Formative to the present day

Region

Yucatán, Guatemala, Belize, Chiapas

Source texts

Ritual of the Bacabs; Popol Vuh; Dresden Codex

Still practiced

Bonesetting, sobada, midwifery, day keeping

The documentary record

What the record shows

Four lines of evidence carry the argument: the surviving hieroglyphic books, colonial manuscripts in Maya languages, excavated buildings, and fieldwork with practitioners working now.

Spanish government records describe Diego de Landa presiding over an auto-da-fé at Maní on 12 July 1562, where 27 hieroglyphic books were burned along with many thousands of carved images. More than 100 codices were destroyed across the colonial period from 1542 to 1821, leaving at most four in existence today. (Archaeology, 2025)

Almost everything Maya scribes wrote about the body is gone. What remains is four books, colonial copies, excavation and living practitioners.

The Dresden Codex is built from almanacs keyed to the 260 day tzolkʼin. Priests used them to judge whether a given day favored sowing, harvesting, trade, hunting, warfare, marriage, birth or health. (SLUB Dresden)

Timing was a medical variable with a written table behind it.

Scribes at Xultun tracked lunar periods that yield a synodic month of 29.5309 days. The modern value is 29.5306 days. (Aldana, 2022)

Maya rhythm-tracking was accurate to four decimal places without instruments. A tradition that precise about cycles was not guessing when it applied them to people.

The Ritual of the Bacabs is a corpus of Yucatec Maya incantations and medical remedies put to paper in the eighteenth century. It carries more than forty healing chants against afflictions including asthma, fevers, skin eruptions and seizures. Ralph L. Roys published the first full English translation in 1965. (Knowlton, 2015)

The corpus is organized ailment by ailment. Maya healing had a written differential.

Don Elijio Panti, a Maya healer in Belize, was observed diagnosing 42 different conditions or states by pulse alone, and he recognized at least 28 distinct pulse types. (Balick et al., 2008)

One site on the wrist carried 28 distinguishable readings. That is a graded scale of a whole-body state, taken by hand.

A 2023 review found the hot and cold classification documented in 101 academic publications and in use by at least 56 of the 68 Indigenous language groups recognized in Mexico. (García-Hernández et al., 2023)

Balance medicine in Mesoamerica is current, and it is in use across most of the country's Indigenous language communities.

Mexico's 2020 census counted 7,364,645 speakers of Indigenous languages aged three and over. Maya is the second most spoken of them, at 10.5 percent of that total, behind Náhuatl at 22.4 percent. (INEGI, 2022)

Maya languages are spoken by hundreds of thousands of people in Mexico alone. Statements about Maya medicine are statements about living communities today.

The fire at Maní, 1562

What survived the burning, and what did not

Four Maya codices exist today out of a corpus that once ran to hundreds of books. On 12 July 1562, Diego de Landa presided over an auto-da-fé at Maní in Yucatán. Spanish records count 27 hieroglyphic books burned there, with many thousands of carved images.

The destruction sets the rules for reading Maya medicine. Classic period evidence comes from carved monuments, painted vessels and excavated buildings dated by the Long Count. The Popol Vuh and the Ritual of the Bacabs are colonial documents, written in Maya languages using the Latin alphabet after the conquest.

The Popol Vuh manuscript was compiled in the mid sixteenth century in the Kʼicheʼ language of highland Guatemala. A Dominican priest, Francisco Ximénez, copied it at Chichicastenango between 1701 and 1704, and his transcription is the reason it exists.

Those layers stay separate. A carving from 700 CE is one kind of evidence. A colonial chant is another. A bonesetter working in Guatemala this year is a third.

The 260 day count

The calendar was a clinical instrument

The tzolkʼin runs 260 days, built by cycling thirteen numbers against twenty day signs. It appears in the middle Formative period as the earliest calendar device in the Mesoamerican archaeological record. Every day carries a name and a character.

Those characters guided action. The Dresden Codex consists of almanacs keyed to the count, used to judge whether a day favored sowing, trade, marriage, birth or health. Its eclipse table runs on intervals of 148, 177 and 178 days. Its Venus table tracks the planet's 584 day cycle across 104 years.

The Long Count recorded elapsed days since a fixed creation event, in five registers running from the kʼin of one day to the pih of 144,000 days. Xultun scribes tracked lunar periods that yield a synodic month of 29.5309 days against the modern 29.5306.

The count is still kept. Aj qʼij, literally he or she of days, remains the title of Kʼicheʼ specialists who divine by counting the days of the sacred calendar, and calendar divination is common in the Guatemalan highlands. Daykeepers point to the body for the number itself, since roughly 260 days pass between conception and birth.

Their task is to sicken people in their blood.

Popol Vuh, on the lords of Xibalba · translated by Allen J. Christenson, 2007

Ritual of the Bacabs

Illness was given a name and an address

Maya healing texts treat a sickness as an agent to be identified and removed. The Ritual of the Bacabs gathers more than forty Yucatec Maya chants against seizures, fevers, asthma and skin eruptions, organized ailment by ailment. The manuscript was put to paper in the eighteenth century, and Ralph L. Roys published the first full English translation in 1965.

The Popol Vuh names disease agents one at a time. One Death and Seven Death assign each lord of Xibalba a task. Flying Scab and Gathered Blood sicken people in their blood. Pus Demon and Jaundice Demon swell the body until the skin of the face turns yellow. Bone Staff and Skull Staff waste a person down to bone.

Naming an agent is a diagnostic act in disguise. Each lord maps onto a recognizable presentation: blood-borne sickness, jaundice with swelling, wasting. A Kʼicheʼ prayer recorded at Chichicastenango carries the structure forward, invoking lords of fever, dysentery and tuberculosis.

The taxonomy is precise and the explanation is theological. Maya healers had sorted illness into named classes with characteristic signs, the first requirement of any medicine that treats different things differently.

Chʼulel

Chʼulel sits in the heart and moves in the blood

Among the Tzotzil Maya of Zinacantán in highland Chiapas, chʼulel is the inner, personal soul. It is located in the heart, and it is also found in the blood, which is understood to be connected with the heart. It is described as composed of thirteen parts.

Losing part of it makes a person ill. Soul loss is caused by fright, which can come from a fall or from an encounter in the dark. Recovering a lost part calls for a curing ceremony led by a hʼilol, whose title means seer. More than 300 hʼiloletik work in Zinacantán.

The term belongs to specific communities and should not be flattened into a pan-Maya doctrine. Tzeltal speakers in the same highlands hold a different account of the person, set out in Pedro Pitarch's ethnography of Tzeltal souls.

Chʼulel sits in the heart and in the circulating blood, and it comes apart in graded pieces rather than all at once. That is a whole-body state with degrees, disturbed by an experience.

Ikʼ and the pulse

Wind in the blood, read at the wrist

The Yucatec Maya word ikʼ means wind and breath at once, and winds are the movers of illness in Yucatec Maya medicine. The fullest English account is Wind in the Blood, written by the Mexican physicians Hernán García, Antonio Sierra and Gilberto Balam, published in 1999 as a manual for health workers in Maya areas.

Reading the blood is the diagnostic method that follows from a physiology of currents. Michael Balick and colleagues documented the pulse practice of Don Elijio Panti in Belize across the final decade of his work. He diagnosed 42 different conditions or states by feeling the pulse, and he recognized at least 28 distinct pulse types.

The Kʼicheʼ version reads the diviner's own body. Aj qʼij specialists take note of sensations inside themselves that they call lightning in the blood, and they interpret those sensations as messages during divination.

Both practices assume that a circulating medium carries the state of the whole person and that a trained hand resolves its qualities. Chinese physicians built pulse diagnosis on the same assumption, half a world away, with no contact.

Hot and cold

One scale for illness, remedy, food and person

Hot and cold is the organizing axis of Mesoamerican medicine, and the labels describe qualities rather than temperatures. A hot condition may run no fever. A 2023 review found the system documented across 101 academic publications, in use by at least 56 of the 68 Indigenous language groups recognized in Mexico.

Treatment follows the principle of opposites. Diseases considered hot are treated with cold remedies, and the reverse. The rule is modified in practice, since the system runs on more than one axis.

The Yucatec Maya extend the scale to people. Certain individuals are held to have síis kʼab, a cold hand, or chokoh kʼab, a hot hand, and that quality decides their aptitude for particular culinary work, agricultural activities and the care of domestic animals.

Where the system came from is a live scholarly dispute. George Foster argued for European humoral theory carried in by the Spanish. Alfredo López Austin traced it to pre-Hispanic Mesoamerican dualism. Most researchers now read it as a syncretism of sixteenth century Mediterranean concepts and native dual cosmology.

Every version of that argument leaves the reasoning intact. A quantity runs in two directions, and treatment applies the opposite quality until proportion returns.

Bath for women after childbirth and other sick persons to cast out the cold that they have in their bodies.

Colonial Maya dictionary entry for zumpul-ché · quoted in the University Museum Bulletin, 1935

The sweat bath

Heat was treated seriously enough to build for it

University of Pennsylvania archaeologists identified eight masonry sweat baths at Piedras Negras in Guatemala in the 1930s, a building type then unreported for the Maya area. Structure P-7 is the best preserved. Each is entered through a small low door that a person can pass only by stooping or crawling.

The colonial definition of the building is clinical. The largest Maya dictionary compiled after the conquest gives zumpul-ché as a bath for women after childbirth and other sick persons, to cast out the cold that they have in their bodies. Where cold is a cause, applied heat is the treatment.

At Xultun in Guatemala, Mary Clarke and colleagues documented an Early Classic sweat bath called Los Sapos, used for roughly 250 to 300 years before it was ceremonially entombed between 562 and 651 CE. Its doorway sits between the legs of a crouching sculpted figure whose limbs combine iguana and toad forms.

Every bather entered and left through a body. The excavators read the structure as a personified place tied to birth, and Maya communities still describe sweat baths as grandmother figures.

Hueseros and sobadoras

The hands are working right now

Manual therapy is the most continuous strand of Maya medicine. In the Kaqchikel and Tzʼutujiil towns of highland Guatemala, bonesetters diagnose and treat injuries by hand. Servando Hinojosa's Maya Bonesetters, 2020, is the first book length study of the practice.

Hinojosa titled an earlier paper The Hands Know, after the bonesetters' own position that the trained hand perceives what the eye cannot. He documents their skill, their friction with biomedicine, and their adaptation of selected biomedical tools to local expectations of care.

In Yucatán the manual tradition is the sobada, a physical and symbolic manipulation of the body practiced above all by Yucatec Maya midwives. Patrizia Quattrocchi describes it as one of the most widespread therapeutic practices in the region for reproductive health, pregnancy and birth. In the town of Kaua, women told her the sobada prevents the cesarean.

Plant medicine runs alongside the hands. In Tabi, Yucatán, 116 Maya adults were surveyed across 43 plant and illness remedy pairings. 88.8 percent had used medicinal plants to treat their children, and 69 percent used plants more often than pharmaceuticals for common illnesses.

Maya control of the hand has a deep archaeological record. A 2025 study of three teeth held by the Popol Vuh Museum in Guatemala found jade inlays set into the teeth of children aged 8 to 10. One cavity stopped inside the enamel, another entered the dentin and stopped short of the pulp chamber.

That is depth control by hand on a living patient, with stone tools. The same judgment governs the bonesetter's grip and the midwife's sobada: how deep, where and when to stop.

The convergence

What the Maya documented, and what it is called now

Maya healers worked without instruments and without any concept of a nerve. They built a medicine around a whole-body state that can be read and moved, working from the pulse, the blood and the quality of heat in the body. Independent traditions worldwide converged on the same short list of observations, which is evidence that the state itself is real and detectable by an unaided observer. The Unified Model of Tone names that state tone and measures it.

  • The tzolkʼin gives each of 260 days a character, and the Dresden almanacs use those characters to decide which day favors birth, health or work.Oscillation, the rhythms that carry regulation.
  • The sobada, the bonesetter's grip and the graded heat of the sweat bath are chosen for site, depth and duration rather than for force.Input quality, where the character of an input decides the response.
  • Divination settles when to act before anything is done to the patient, and the daykeeper reads sensations in the blood as the signal.Prediction, the expectation a system prepares against.
  • Hot and cold sorts illness, remedy, food and person onto one scale, so a change in what a person eats is expected to show up in the body's state.Coupling, the linkage that makes separate parts behave as one system.
  • Pulse reading in one documented Maya practice resolved 42 conditions and 28 distinct pulse types at the wrist.Heart rate variability, the modern instrument for the same reading.

Common questions

Frequently asked

What is chʼulel?

Chʼulel is the inner, personal soul in Tzotzil Maya communities of highland Chiapas. It is located in the heart, and it is also found in the blood, which is understood to be connected with the heart. It is described as composed of thirteen parts. Losing one or more parts, caused by fright, makes a person ill and calls for a curing ceremony led by a hʼilol, the Tzotzil curer whose title means seer. Other Maya communities use the root differently, so the term is local rather than pan-Maya.

How many Maya codices survive, and what happened to the rest?

Four are known to exist. Spanish government records describe Diego de Landa presiding over an auto-da-fé at Maní in Yucatán on 12 July 1562, where 27 hieroglyphic books were burned along with many thousands of carved images. More than 100 codices were destroyed across the colonial period between 1542 and 1821. The surviving books are astronomical and divinatory almanacs, and the loss is the reason colonial manuscripts and present-day fieldwork carry so much of the evidence for Maya medicine.

What was the Maya 260 day calendar used for?

The tzolkʼin runs 260 days, formed by cycling thirteen numbers against twenty day signs, and it is the earliest calendar device in the Mesoamerican archaeological record. Each day carries a character. The Dresden Codex is built from almanacs keyed to the count, used to judge whether a day favored sowing, harvesting, trade, hunting, warfare, marriage, birth or health. Kʼicheʼ daykeepers still count it, and they point out that roughly 260 days pass between conception and birth.

What is the Ritual of the Bacabs?

It is a Yucatec Maya manuscript of medical incantations and remedies, named for the four sky-bearing Bacabs it invokes. The surviving corpus was put to paper in the eighteenth century and carries more than forty healing chants, organized ailment by ailment against afflictions including asthma, fevers, skin eruptions and seizures. Ralph L. Roys published the first full English translation with the University of Oklahoma Press in 1965. It is a colonial document, and it is read as preserving much older material.

Do Maya bonesetters and sobadoras still practice?

Yes. In the Kaqchikel and Tzʼutujiil towns of highland Guatemala, bonesetters diagnose and treat injuries with their hands, and Servando Hinojosa's Maya Bonesetters of 2020 is the first book length study of them. In Yucatán the sobada, a physical and symbolic manipulation of the body practiced above all by Maya midwives, is among the most widespread therapies in the region for pregnancy and birth. Plant medicine runs alongside both, with 88.8 percent of surveyed adults in one Yucatec town using medicinal plants for their children.

What is the Maya hot and cold system?

It is a classification that sorts illnesses, remedies, foods and even people into hot and cold qualities, with treatment following the principle of opposites. The labels describe qualities and not temperatures, so a hot condition may involve no fever. Yucatec Maya usage extends the scale to persons, who may have síis kʼab, a cold hand, or chokoh kʼab, a hot hand. A 2023 review found the system in use by at least 56 of the 68 Indigenous language groups recognized in Mexico.

Did Maya healers read the pulse?

Yes, and the record is detailed. Michael Balick and colleagues documented the practice of Don Elijio Panti, a Maya healer in Belize, across the final decade of his work. He diagnosed 42 different conditions or states by feeling the pulse and recognized at least 28 distinct pulse types. Kʼicheʼ daykeepers read a related signal in their own bodies, sensations they call lightning in the blood, which they interpret as messages during divination. Both practices treat a circulating medium as the carrier of a whole-body state.

What does the Unified Model of Tone say about Maya medicine?

That Maya healers were reading tone without instruments and reporting it accurately. The 260 day count treats rhythm as a therapeutic variable. Hot and cold puts illness, food, remedy and person on one scale, which is coupling. The sobada, the bonesetter's grip and the graded heat of the sweat bath are inputs specified by site, depth and duration. The model does not adopt chʼulel or the winds as its mechanism. It holds that the state those healers track is the state it measures.

Keep reading

Where this connects

  • Tone is the regulated state Maya healers assess at the pulse and in the quality of heat, defined and measured.
  • Oscillation is why a 260 day count that assigns each day a character worked as a treatment variable.
  • Input quality is why the sobada, the bonesetter's grip and the sweat bath are specified by site, depth and duration.
  • Prediction is the modern account of reading the day and the signs before choosing when to act.
  • Coupling explains a hot and cold scale that puts food, remedy, illness and person on the same axis.
  • Time course is why postpartum sweat bathing and the 260 days from conception to birth are read as a course rather than an event.
  • The Aztec shared the Mesoamerican calendar and the hot and cold scale, and built a separate herbal record.
  • The Inca and the Andes read the body through a different Indigenous American system, with its own manual and plant practice.
  • North American nations keep sweat lodge traditions, an independent line of applied heat in healing.

Sources

References

  1. Christenson, A. J. Popol Vuh: Sacred Book of the Quiché Maya People. Electronic version of the University of Oklahoma Press edition, 2003. Mesoweb, 2007.
  2. Aldana, G. Maya Calendar and Mesoamerican Astronomy. Encyclopedia of the History of Science, February 2022.
  3. Sächsische Landesbibliothek, Staats- und Universitätsbibliothek Dresden. The Dresden Maya Codex: Content.
  4. Acts of Faith. Archaeology, November/December 2025. Archaeological Institute of America.
  5. Roys, R. L. Ritual of the Bacabs: A Book of Maya Incantations. University of Oklahoma Press, 1965.
  6. Knowlton, T. W. Literacy and Healing: Semiotic Ideologies and the Entextualization of Colonial Maya Medical Incantations. Ethnohistory, 2015;62(3):573-595.
  7. Balick, M. J., De Gezelle, J. M. and Arvigo, R. Feeling the pulse in Maya medicine: an endangered traditional tool for diagnosis, therapy, and tracking patients' progress. Explore (NY), 2008;4(2):113-119.
  8. Hinojosa, S. Z. Maya Bonesetters: Manual Healers in a Changing Guatemala. University of Texas Press, 2020.
  9. Hinojosa, S. Z. The Hands Know: Bodily Engagement and Medical Impasse in Highland Maya Bonesetting. Medical Anthropology Quarterly, 2002;16(1):22-40.
  10. Quattrocchi, P. ¿Qué es la sobada? Elementos para conocer y entender una práctica terapéutica en Yucatán. Península, 2006;1(2):143-169.
  11. García-Hernández, K. Y., Vargas-Guadarrama, L. A. and Vibrans, H. Academic history, domains and distribution of the hot-cold system in Mexico. Journal of Ethnobiology and Ethnomedicine, 2023;19:50.
  12. Clarke, M. E. et al. Revisiting the Past: Material Negotiations between the Classic Maya and an Entombed Sweat Bath at Xultun, Guatemala. Cambridge Archaeological Journal, 2021;31(1):67-94.
  13. Mason, J. A. Mexican and Mayan Sweat-Baths. Museum Bulletin (University of Pennsylvania), 1935;VI(2):65-69.
  14. Hopkins, A. L., Stepp, J. R., McCarty, C. and Gordon, J. S. Herbal remedy knowledge acquisition and transmission among the Yucatec Maya in Tabi, Mexico: a cross-sectional study. Journal of Ethnobiology and Ethnomedicine, 2015;11:33.
  15. Ramírez-Salomón, M. et al. Prehispanic Maya dental inlays in teeth with open apices: Implications for age of cultural practices. Journal of Archaeological Science: Reports, 2025;67:105353.
  16. García, H., Sierra, A. and Balam, G. Wind in the Blood: Mayan Healing and Chinese Medicine. Translated by Jeff Conant. North Atlantic Books, 1999.
  17. Tzotzil of Zinacantan: Religion and Expressive Culture. Encyclopedia of World Cultures, Gale.
  18. Instituto Nacional de Estadística y Geografía. Estadísticas a propósito del Día Internacional de los Pueblos Indígenas. Censo de Población y Vivienda 2020. Comunicado 430/22, 8 August 2022.

Last updated 2026-08-10